English unthank

← Old English unþanc (inherited)

← Danish utak (cognate)

← German Undank (cognate)

← English un (prefix)

← English thank (prefix)

← English un (prefix)

← English thank (prefix)

← Middle English unthank (inherited)

← West Frisian ontank (cognate)

← Proto-Germanic *unþankaz (inherited)

← Dutch ondank (cognate)

→ English thank (link)

→ German Undank (cognate)